github.com/cosmos/cosmos-sdk@v0.50.10/x/slashing/simulation/decoder.go (about)

     1  package simulation
     2  
     3  import (
     4  	"bytes"
     5  	"fmt"
     6  
     7  	"github.com/cosmos/cosmos-sdk/codec"
     8  	cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
     9  	sdk "github.com/cosmos/cosmos-sdk/types"
    10  	"github.com/cosmos/cosmos-sdk/types/kv"
    11  	"github.com/cosmos/cosmos-sdk/x/slashing/types"
    12  )
    13  
    14  // NewDecodeStore returns a decoder function closure that unmarshals the KVPair's
    15  // Value to the corresponding slashing type.
    16  func NewDecodeStore(cdc codec.BinaryCodec) func(kvA, kvB kv.Pair) string {
    17  	return func(kvA, kvB kv.Pair) string {
    18  		switch {
    19  		case bytes.Equal(kvA.Key[:1], types.ValidatorSigningInfoKeyPrefix):
    20  			var infoA, infoB types.ValidatorSigningInfo
    21  			cdc.MustUnmarshal(kvA.Value, &infoA)
    22  			cdc.MustUnmarshal(kvB.Value, &infoB)
    23  			return fmt.Sprintf("%v\n%v", infoA, infoB)
    24  
    25  		case bytes.Equal(kvA.Key[:1], types.ValidatorMissedBlockBitmapKeyPrefix):
    26  			addrBzLen := int(kvA.Key[1])
    27  			addrBz := kvA.Key[2 : 2+addrBzLen]
    28  			addr := sdk.ConsAddress(addrBz)
    29  			return fmt.Sprintf("missedA: %v\nmissedB: %v\nfor %s\n", kvA.Value, kvB.Value, addr)
    30  		case bytes.Equal(kvA.Key[:1], types.AddrPubkeyRelationKeyPrefix):
    31  			var pubKeyA, pubKeyB cryptotypes.PubKey
    32  			if err := cdc.UnmarshalInterface(kvA.Value, &pubKeyA); err != nil {
    33  				panic(fmt.Sprint("Can't unmarshal kvA; ", err))
    34  			}
    35  			if err := cdc.UnmarshalInterface(kvB.Value, &pubKeyB); err != nil {
    36  				panic(fmt.Sprint("Can't unmarshal kvB; ", err))
    37  			}
    38  			return fmt.Sprintf("PubKeyA: %s\nPubKeyB: %s", pubKeyA, pubKeyB)
    39  
    40  		default:
    41  			panic(fmt.Sprintf("invalid slashing key prefix %X", kvA.Key[:1]))
    42  		}
    43  	}
    44  }